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Get Answers to all your Questions
Which among the following have open circulatory system?
(i) Arthropoda
(ii) Mollusca
(iii) Annelida
(iv) Coelenterata
(a) (i) and (ii)
(b) (iii) and (iv)
(c) (i) and (iii)
(d) (ii) and (iv)
Answers (1)
The open circulatory systems pump blood into a cavity called hemocoel with the blood diffusing back to the circulatory system between cells. This system lacks a true heart or capillaries E.g., Molluscs and Arthropods.
Annelida and Coelenterata have closed circulatory systems.
The correct answer is a)(i) and (ii)
View full answer
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